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Atmospheric scientists study fires to resolve ice question in climate models（图）
Atmospheric scientists fires resolve ice question climate models
2020/9/4
When fossil fuel or biomass burns, soot -- also known as black carbon -- fills the air. Black carbon is an important short-term climate driver because it absorbs solar energy and can affect the format...
Technique could help climate models sweat the small stuff
Technique climate models sweat the small stuff
2016/6/12
A team of physicists and mathematicians has come up with a statistical technique that puts the fine details back into computer simulations of large-scale phenomena like air circulation in the atmosphe...
Climate models used to explain formation of Mars valley networks
Climate models Mars valley networks
2015/11/13
The extensive valley networks on the surface of Mars were probably created by running water billions of years ago, but the source of that water is unknown. Now, a team of Penn State and NASA researche...
A technique for generating consistent ice sheet initial conditions for coupled ice sheet/climate models
generating consistent ice sheet ice
2014/12/18
A transient technique for generating ice sheet
preindustrial initial conditions for long-term coupled ice
sheet/climate model simulations is developed and demonstrated over the Greenland ice sheet u...
A fast input/output library for high-resolution climate models
high-resolution climate models input/output library
2014/12/18
We describe the design and implementation of climate fast input/output (CFIO), a fast input/output (I/O) library for high-resolution climate models.
ECOCLIMAP-II/Europe: a twofold database of ecosystems and surface parameters at 1 km resolution based on satellite information for use in land surface, meteorological and climate models
ECOCLIMAP-II/Europe ecosystems and surface parameters 1 km resolution satellite information land surface meteorological climate models
2014/12/16
The overall objective of the present study is to introduce the new ECOCLIMAP-II database for Europe, which is an upgrade for this region of the former initiative, ECOCLIMAP-I, already implemented at g...
Failure analysis of parameter-induced simulation crashes in climate models
parameter-induced simulation crashes climate models
2014/12/12
Simulations using IPCC (Intergovernmental Panel
on Climate Change)-class climate models are subject to fail
or crash for a variety of reasons.
Numerical issues associated with compensating and competing processes in climate models: an example from ECHAM-HAM
Numerical issues associated compensating and competing processes climate models ECHAM-HAM
2014/12/12
The purpose of this paper is to draw attention to the need for appropriate numerical techniques to represent process interactions in climate models. In two versions of the ECHAM-HAM model, different t...
Scheme for calculation of multi-layer cloudiness and precipitation for climate models of intermediate complexity
multi-layer cloudiness precipitation for climate models intermediate complexity
2014/12/12
In this study we present a scheme for calculating the characteristics of multi-layer cloudiness and precipitation for Earth system models of intermediate complexity (EMICs). This scheme considers thre...
High dimensional decision dilemmas in climate models
High dimensional decision dilemmas climate models
2014/12/12
An important source of uncertainty in climate models is linked to the calibration of model parameters. Interest in systematic and automated parameter optimization procedures stems from the desire to i...
Toward a minimal representation of aerosols in climate models: description and evaluation in the Community Atmosphere Model CAM5
minimal representation of aerosols climate models description and evaluation Community Atmosphere Model CAM5
2014/12/10
A modal aerosol module (MAM) has been developed for the Community Atmosphere Model version 5 (CAM5), the atmospheric component of the Community Earth System Model version 1 (CESM1). MAM is capable of ...
Modeling anthropogenically controlled secondary organic aerosols in a megacity: a simplified framework for global and climate models
Modeling anthropogenically controlled secondary megacity
2014/12/9
A simplified parameterization for secondary organic aerosol (SOA) formation in polluted air and biomass
burning smoke is tested and optimized in this work,
Northern winter stratospheric temperature and ozone responses to ENSO inferred from an ensemble of Chemistry Climate Models
Northern winter stratospheric temperature ozone responses Chemistry Climate Models
2009/12/3
The connection between the El Niño Southern Oscillation (ENSO) and the Northern polar stratosphere has been established from observations and atmospheric modeling. Here a systematic inter-compa...
Comment on "Quantitative performance metrics for stratospheric-resolving chemistry-climate models" by Waugh and Eyring (2008)
Quantitative performance metrics stratospheric-resolving chemistry-climate models Waugh Eyring
2009/12/3
This comment focuses on the statistical limitations of a model grading, as applied by D. Waugh and V. Eyring (2008) (WE08). The grade g is calculated for a specific diagnostic, which basically relates...
Exploiting the weekly cycle as observed over Europe to analyse aerosol indirect effects in two climate models
Europe aerosol indirect effects climate models
2009/11/19
A weekly cycle in aerosol pollution and some meteorological quantities is observed over Europe. In the present study we exploit this effect to analyse aerosol-cloud-radiation interactions. A weekly cy...